Add arXiv BibTeX citation

Replace the generic project-page citation with the complete arXiv BibTeX entry for arXiv:2608.13391.

README.md

@@ -163,11 +163,18 @@ Please report model quality, risk, security vulnerabilities, or NVIDIA AI concer
 If you find this work useful, please cite:
 
 ```bibtex
-@misc{bandyopadhyay2026contextmatched,
-  title  = {Context-Matched Distillation: Teacher Causality for Autoregressive Video Distillation},
-  author = {Bandyopadhyay, Hmrishav and Ren, Xuanchi and Huang, Zijian and Wu, Jay Zhangjie and Cao, Tianshi and Li, Ruilong and Chu, Bryan and Fidler, Sanja and Song, Yi-Zhe and Wang, Zian},
-  year   = {2026},
-  url    = {https://hmrishavbandy.github.io/cmd-site/}
+@article{bandyopadhyay2026context,
+  title   = {Context-Matched Distillation: Teacher Causality for Autoregressive Video Distillation},
+  author  = {Bandyopadhyay, Hmrishav and Ren, Xuanchi and Huang, Zijian
+             and Wu, Jay Zhangjie and Cao, Tianshi and Li, Ruilong
+             and Chu, Bryan and Fidler, Sanja and Song, Yi-Zhe
+             and Wang, Zian},
+  journal = {arXiv preprint arXiv:2608.13391},
+  year    = {2026},
+  eprint  = {2608.13391},
+  archivePrefix = {arXiv},
+  primaryClass  = {cs.CV},
+  url     = {https://arxiv.org/abs/2608.13391}
 }
 ```